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Official data from INPI

PROCESSO PARA O TRATAMENTO AERÓBICO DE ÁGUA DE REJEITO EM UM REATOR AERADO E APARELHO PARA O TRATAMENTO AERÓBICO E ANAERÓBICO INTEGRADO DE ÁGUA DE REJEITO

Arquivada/ExtintaInvention PatentPCT · NL1996000048

Application data

Number

PI9607495

Type

Invention Patent

Filing

01/31/1996

Publication

12/23/1997

PCT

NL1996000048

Progress at the INPI

  1. Filing01/31/96
  2. Publication12/23/97
  3. Examination
  4. Allowance02/20/01
  5. Grant07/10/01
  6. Expired04/26/16

The letters patent expired on 04/26/2016: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/26/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Paques B.V.

NL

Paques I.P. B.V.

NL

See this company's full portfolio

Inventors

L. H. (pessoa física)

NL

W. D. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

9500171 · 01/31/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/01/2016

04/26/2016

RPI 2364

Transferência deferida

#25.1

06/04/2013

RPI 2213

Alteração de sede deferida

#25.7

Sede alterada conforme solicitado na Petição nº 020060127069/RJ de 17/08/2006.

12/19/2006

RPI 1876

Concessão da patente

#16.1

07/10/2001

RPI 1592

Deferimento

#9.1

02/20/2001

RPI 1572

Notificação de entrada na fase nacional - PCT

#1.3

12/23/1997

RPI 1409

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